1449986 has 4 divisors (see below), whose sum is σ = 2174982. Its totient is φ = 724992.

The previous prime is 1449983. The next prime is 1450019. The reversal of 1449986 is 6899441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6899441 = 113 ⋅61057.

It can be written as a sum of positive squares in only one way, i.e., 1394761 + 55225 = 1181^2 + 235^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362495 + ... + 362498.

2^1449986 is an apocalyptic number.

1449986 is a deficient number, since it is larger than the sum of its proper divisors (724996).

1449986 is an equidigital number, since it uses as much as digits as its factorization.

1449986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724995.

The product of its digits is 62208, while the sum is 41.

The square root of 1449986 is about 1204.1536446816. The cubic root of 1449986 is about 113.1847553212.

The spelling of 1449986 in words is "one million, four hundred forty-nine thousand, nine hundred eighty-six".